<div nz-row>
  <div nz-col nzSpan="12">
    <h1 nz-typography>h1. Ant Design</h1>
    <h2 nz-typography>h2. Ant Design</h2>
    <h3 nz-typography>h3. Ant Design</h3>
    <h4 nz-typography>h4. Ant Design</h4>
    <h5 nz-typography>h5. Ant Design</h5>
  </div>
  <div nz-col nzSpan="12">
    <h1>h1. Ant Design</h1>
    <h2>h2. Ant Design</h2>
    <h3>h3. Ant Design</h3>
    <h4>h4. Ant Design</h4>
    <h5>h5. Ant Design</h5>
  </div>
</div>
